Author Question: The element first found in the Sun's spectrum, then on Earth 30 years later, is (Read 671 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
The element first found in the Sun's spectrum, then on Earth 30 years later, is
A) hydrogen.
B) helium
C) solarium.
D) technicum.
E) aluminum.



notis

  • Hero Member
  • *****
  • Posts: 596

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

For a complete list of videos, visit our video library